Seiko Cal. 7171 - 550

The 7171-550 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7171 caliber with 20j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-be0706dd04b9]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1990

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